<template>
  <div class="mod-config">
    <el-form
      :inline="true"
      :model="dataForm"
      @keyup.enter.native="getDataList()"
    >
      <el-form-item>
        <el-input
          v-model="dataForm.key"
          placeholder="参数名"
          clearable
        ></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="getDataList()">查询</el-button>
        <el-button
          v-if="isAuth('teacher:teacher:save')"
          type="primary"
          @click="addOrUpdateHandle()"
          >新增</el-button
        >
        <el-button
          v-if="isAuth('teacher:teacher:delete')"
          type="danger"
          @click="deleteHandle()"
          :disabled="dataListSelections.length <= 0"
          >批量删除</el-button
        >

        <el-button
          type="success"
          @click="exportTeacherList()"
        >导出
        </el-button
        >
      </el-form-item>
    </el-form>
    <el-table
      :data="dataList"
      border
      v-loading="dataListLoading"
      @selection-change="selectionChangeHandle"
      style="width: 100%"
    >
      <el-table-column
        type="selection"
        header-align="center"
        align="center"
        width="50"
      >
      </el-table-column>
<!--      <el-table-column-->
<!--        prop="id"-->
<!--        header-align="center"-->
<!--        align="center"-->
<!--        label="讲师id"-->
<!--      >-->
<!--      </el-table-column>-->
      <el-table-column
        prop="teacherName"
        header-align="center"
        align="center"
        label="讲师姓名"
      >
      </el-table-column>
      <el-table-column
        prop="teacherEmail"
        header-align="center"
        align="center"
        width="200px"
        label="讲师邮箱"
      >
      </el-table-column>

      <el-table-column
        prop="teacherAvatar"
        header-align="center"
        align="center"
        label="头像"
        width="200"
      >
        <template slot-scope="scope">
          <div style="" @click="showImagePreview(scope.row.teacherAvatar)">
            <img :src="scope.row.teacherAvatar" width="100" height="70" style="cursor: pointer" />
          </div>
        </template>
      </el-table-column>


      <el-table-column
        prop="teacherUsername"
        header-align="center"
        align="center"
        label="讲师用户名"
      >
      </el-table-column>
      <el-table-column
        prop="teacherDescription"
        header-align="center"
        align="center"
        label="讲师简介"
        show-overflow-tooltip

      >
      </el-table-column>
      <el-table-column
        prop="birthday"
        header-align="center"
        align="center"
        label="年龄"
      >
      </el-table-column>
      <el-table-column
        prop="teacherGender"
        header-align="center"
        align="center"
        label="性别"
      >
      </el-table-column>
      <el-table-column
        prop="teacherLevelName"
        header-align="center"
        align="center"
        label="讲师学历"
      >
      </el-table-column>
      <el-table-column
        prop="teacherTypeName"
        header-align="center"
        align="center"
        label="讲师类型"
      >
      </el-table-column>
      <el-table-column
        prop="likeNumber"
        header-align="center"
        align="center"
        label="点赞数量"
      >
      </el-table-column>
      <el-table-column
        prop="createTime"
        header-align="center"
        align="center"
        label="创建时间"
      >
      </el-table-column>
      <el-table-column
        prop="updateTime"
        header-align="center"
        align="center"
        label="修改时间"
      >
      </el-table-column>

      <el-table-column
        fixed="right"
        header-align="center"
        align="center"
        width="150"
        label="操作"
      >
        <template slot-scope="scope">
          <el-button
            type="text"
            size="small"
            @click="addOrUpdateHandle(scope.row.id)"
            >修改</el-button
          >
          <el-button
            type="text"
            size="small"
            @click="deleteHandle(scope.row.id)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageIndex"
      :page-sizes="[4, 5, 10, 20]"
      :page-size="pageSize"
      :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper"
    >
    </el-pagination>
    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update
      v-if="addOrUpdateVisible"
      ref="addOrUpdate"
      @refreshDataList="getDataList"
    ></add-or-update>
  </div>
</template>

<script>
import AddOrUpdate from './teacher-add-or-update';
export default {
  data () {
    return {
      dataForm: {
        key: ''
      },
      dataList: [],
      pageIndex: 1,
      pageSize: 4,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false
    };
  },
  components: {
    AddOrUpdate
  },
  activated () {
    this.getDataList();
  },
  methods: {
    // 获取数据列表
    getDataList () {
      this.dataListLoading = true;
      this.$http({
        url: this.$http.adornUrl('/teacher/teacher/list'),
        method: 'get',
        params: this.$http.adornParams({
          page: this.pageIndex,
          limit: this.pageSize,
          key: this.dataForm.key
        })
      }).then(({ data }) => {
        if (data && data.code === 0) {
          this.dataList = data.page.list;
          for (var i = 0; i < this.dataList.length; i++) {
            let currentDate = new Date();
            let birthDate = new Date(this.dataList[i].birthday);
            let age = currentDate.getFullYear() - birthDate.getFullYear();
            let monthDiff = currentDate.getMonth() - birthDate.getMonth();
            if (
              monthDiff < 0 ||
              (monthDiff === 0 && currentDate.getDate() < birthDate.getDate())
            ) {
              age--;
            }
            this.dataList[i].birthday = age;
            console.log(this.dataList[i].birthday);
          }
          this.totalPage = data.page.totalCount;
        } else {
          this.dataList = [];
          this.totalPage = 0;
        }
        this.dataListLoading = false;
      });
    },
    // 每页数
    sizeChangeHandle (val) {
      this.pageSize = val;
      this.pageIndex = 1;
      this.getDataList();
    },
    // 当前页
    currentChangeHandle (val) {
      this.pageIndex = val;
      this.getDataList();
    },
    // 多选
    selectionChangeHandle (val) {
      this.dataListSelections = val;
    },
    // 新增 / 修改
    addOrUpdateHandle (id) {
      this.addOrUpdateVisible = true;
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id);
      });
    },
    // 删除
    deleteHandle (id) {
      var ids = id
        ? [id]
        : this.dataListSelections.map((item) => {
          return item.id;
        });
      this.$confirm(
        `确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`,
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).then(() => {
        this.$http({
          url: this.$http.adornUrl('/teacher/teacher/delete'),
          method: 'post',
          data: this.$http.adornData(ids, false)
        }).then(({ data }) => {
          if (data && data.code === 0) {
            this.$message({
              message: '操作成功',
              type: 'success',
              duration: 1500,
              onClose: () => {
                this.getDataList();
              }
            });
          } else {
            this.$message.error(data.msg);
          }
        });
      });
    },
    showImagePreview (url) {
      // 在这里添加显示图片预览的逻辑，例如使用第三方图片预览库
      // 可以根据实际情况选择合适的图片预览方式
      // 这里以 element-ui 的 Dialog 组件为例来实现简单的图片预览
      this.$alert(`<img src="${url}" style="width:800px; height: 600px;"  alt=""/>`, '图片预览', {
        dangerouslyUseHTMLString: true,
        showConfirmButton: false,
        closeOnClickModal: true,
        customClass: 'image-preview-dialog'
      });
    },
    exportTeacherList(){
      window.open('http://localhost:8888/api/teacher/teacher/export')

    }
  }
};
</script>
<style>
.image-preview-dialog{
  width: 825px;
  height: 650px;
}
</style>
